https://www.mccoys.com/shop/p/1916022-052303-20/cci-925-side-terminal-cable-adapter-kit
Converts top post terminal battery to a side terminal battery. Marked "+" and "-" for easy identification. Works with battery cables 6 to 1 ga. 6 and 12 V only. Package contains one positive and one negative adapter.
Suitable for
Battery Cables 6 through 1 ga